Using hats on 1.12.2 v7.0.2, not able to ready up with trade partner. We both tossed a hat into the trade and when we tried to hit ready to trade nothing was happening, we were even both clicking on it at the same time and nada.

Still occurring on StoneBlock mod pack as of version 1.0.31

Using the same version of the mod with the FoolCraft3 modpack and am also unable to trade.

Ditto but with StoneBlock mod pack!

Sorry for leaving this broken for so long! It's been fixed for v7.1.0